Re: [PATCH 7/7] xfs: re-enable XFS per-inode DAX

From: Ross Zwisler
Date: Tue Sep 26 2017 - 15:02:01 EST


On Tue, Sep 26, 2017 at 08:36:11AM +0200, Christoph Hellwig wrote:
> On Mon, Sep 25, 2017 at 05:14:04PM -0600, Ross Zwisler wrote:
> > Re-enable the XFS per-inode DAX flag, preventing S_DAX from changing when
> > any mappings are present.
>
> Before we re-enable it please come up with a coherent description
> of the per-inode DAX flag that makes sense to a user. We'll also need
> to find a good place to document it, e.g. a new ioctl_setflags man
> page.

I agree that documentation is a great place to start, if we can just agree on
what we want the functionality to be. :)